CN110933736B - Vehicle-mounted controller communication method, device, equipment and storage medium - Google Patents
Vehicle-mounted controller communication method, device, equipment and storage medium Download PDFInfo
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- CN110933736B CN110933736B CN201911197705.6A CN201911197705A CN110933736B CN 110933736 B CN110933736 B CN 110933736B CN 201911197705 A CN201911197705 A CN 201911197705A CN 110933736 B CN110933736 B CN 110933736B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40215—Controller Area Network CAN
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40267—Bus for use in transportation systems
- H04L2012/40273—Bus for use in transportation systems the transportation system being a vehicle
Abstract
The invention relates to the technical field of automobile communication, and discloses a communication method, a device, equipment and a storage medium for an on-board controller, wherein the method comprises the following steps: when a first wireless network connection instruction sent by a vehicle-mounted controller through a CAN (controller area network) is received, a target wireless network is determined according to the first wireless network connection instruction, a wireless network name and a wireless network password corresponding to the target wireless network are searched, the wireless network name and the wireless network password are sent to the vehicle-mounted controller, so that the vehicle-mounted controller is connected with the target wireless network according to the wireless network name and the wireless network password, a composite network is constructed according to the CAN network and the target wireless network, the vehicle-mounted controller is enabled to communicate through the composite network, and the composite network is constructed through the CAN network and the wireless network.
Description
Technical Field
The invention relates to the technical field of automobile communication, in particular to a communication method, a communication device, communication equipment and a storage medium for an on-board controller.
Background
At present, a large number of vehicle-mounted controllers are integrated in a vehicle, data interaction is needed among the controllers to complete functions, a CAN network widely used at present transmits data through a CAN line, but the transmission rate of the CAN line is low, and the data transmission requirements of large data capacity, such as 360-degree image and audio and video media transmission, cannot be met.
Therefore, the technical problem of how to improve the data transmission rate of the vehicle-mounted controller communication on the premise of not influencing the safety exists essentially.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide a vehicle-mounted controller communication method, a vehicle-mounted controller communication device, vehicle-mounted controller communication equipment and a vehicle-mounted controller communication storage medium, and aims to solve the technical problem of improving the data transmission rate of vehicle-mounted controller communication on the premise of not influencing safety.
In order to achieve the above object, the present invention provides a communication method for a vehicle-mounted controller, including the steps of:
when a first wireless network connection instruction sent by a vehicle-mounted controller through a CAN (controller area network) network is received, determining a target wireless network according to the first wireless network connection instruction;
searching a wireless network name and a wireless network password corresponding to the target wireless network;
sending the wireless network name and the wireless network password to the vehicle-mounted controller so that the vehicle-mounted controller is connected with the target wireless network according to the wireless network name and the wireless network password;
and constructing a composite network according to the CAN network and the target wireless network so as to enable the vehicle-mounted controller to communicate through the composite network.
Preferably, the sending the wireless network name and the wireless network password to the onboard controller so that the onboard controller connects to the target wireless network according to the wireless network name and the wireless network password specifically includes:
sending the wireless network name and the wireless network password to the vehicle-mounted controller so that the vehicle-mounted controller generates a network access request signal according to the wireless network name and the wireless network password and feeds back the network access request signal;
when the network access request signal fed back by the vehicle-mounted controller is received, a safety authentication instruction is generated according to the network access request signal;
performing security verification on the network access of the vehicle-mounted controller according to the security authentication instruction;
when the verification is successful, generating a verification code;
and sending the verification code to the vehicle-mounted controller so that the vehicle-mounted controller is connected with the target wireless network according to the verification code, the wireless network name and the wireless network password.
Preferably, the performing security verification on the network access of the vehicle-mounted controller according to the security authentication instruction specifically includes:
generating an authentication security code according to the security authentication instruction;
sending the authentication security code to the vehicle-mounted controller through the CAN network so that the vehicle-mounted controller takes the authentication security code as an authentication security code to be verified;
generating an authentication security code acquisition signal according to the security authentication instruction;
and obtaining a signal according to the authentication security code to carry out security verification on the network access of the vehicle-mounted controller.
Preferably, the obtaining a signal according to the authentication security code to perform security verification on the network access of the vehicle-mounted controller specifically includes:
sending the authentication security code acquisition signal to the vehicle-mounted controller so that the vehicle-mounted controller feeds back the authentication security code to be verified according to the authentication security code acquisition signal;
receiving the security code to be verified and authenticated fed back by the vehicle-mounted controller;
and performing security verification on the network access of the vehicle-mounted controller according to the to-be-verified authentication security code.
Preferably, the performing security verification on the network access of the vehicle-mounted controller according to the to-be-verified authentication security code specifically includes:
judging whether the authentication security code to be verified is the same as the authentication security code or not;
and carrying out security verification on the network access of the vehicle-mounted controller according to the judgment result.
Preferably, the constructing a composite network according to the CAN network and the target wireless network so that the vehicle-mounted controller communicates through the composite network specifically includes:
constructing a composite network according to the CAN network and the target wireless network;
traversing the vehicle-mounted controllers in the composite network, and taking the traversed vehicle-mounted controllers as online vehicle-mounted controllers;
setting an IP address for the online vehicle-mounted controller;
establishing a mapping list according to the online vehicle-mounted controller and the IP address;
when a communication request signal sent by the online vehicle-mounted controller is received, analyzing a target vehicle-mounted controller from the communication request signal;
searching an IP address corresponding to the target vehicle-mounted controller in the mapping list, and taking the searched IP address as a target IP address;
and sending the target IP address to the online vehicle-mounted controller so that the online vehicle-mounted controller communicates with the target vehicle-mounted controller through the composite network and the IP address.
Preferably, after the constructing a composite network according to the CAN network and the target wireless network so that the on-board controller communicates through the composite network, the method further includes:
when a second wireless network connection instruction sent by the mobile terminal is received, determining the target wireless network according to the second wireless network connection instruction;
searching the wireless network name and the wireless network password corresponding to the target wireless network;
and sending the wireless network name and the wireless network password to the mobile terminal so that the mobile terminal is connected with the target mobile network in the composite network according to the wireless network name and the wireless network password and communicates with the vehicle-mounted controller through the composite network.
In addition, to achieve the above object, the present invention further provides a vehicle-mounted controller communication device, including:
the target determining module is used for determining a target wireless network according to a first wireless network connection instruction sent by a vehicle-mounted controller through a CAN network when the first wireless network connection instruction is received;
the information searching module is used for searching a wireless network name and a wireless network password corresponding to the target wireless network;
the network connection module is used for sending the wireless network name and the wireless network password to the vehicle-mounted controller so that the vehicle-mounted controller is connected with the target wireless network according to the wireless network name and the wireless network password;
and the network communication module is used for constructing a composite network according to the CAN network and the target wireless network so as to enable the vehicle-mounted controller to communicate through the composite network.
In addition, to achieve the above object, the present invention further provides a vehicle-mounted controller communication device, including: the method comprises the steps of storing a communication program of the vehicle-mounted controller, storing the communication program of the vehicle-mounted controller on the memory, and running the communication program of the vehicle-mounted controller on the processor.
In addition, to achieve the above object, the present invention further provides a storage medium having an on-board controller communication program stored thereon, wherein the on-board controller communication program, when executed by a processor, implements the steps of the on-board controller communication method as described above.
The communication method of the vehicle-mounted controller determines a target wireless network according to a first wireless network connection instruction when receiving the first wireless network connection instruction sent by the vehicle-mounted controller through a CAN (controller area network), searches a wireless network name and a wireless network password corresponding to the target wireless network, and sends the wireless network name and the wireless network password to the vehicle-mounted controller so that the vehicle-mounted controller is connected with the target wireless network according to the wireless network name and the wireless network password, and constructs a composite network according to the CAN network and the target wireless network so that the vehicle-mounted controller communicates through the composite network, thereby constructing the composite network through the CAN network and the wireless network, not only ensuring the communication safety, but also improving the data transmission rate, and solving the problem of how to establish a composite network without influencing the safety, the technical problem of improving the data transmission rate of vehicle-mounted controller communication is solved.
Drawings
FIG. 1 is a schematic diagram of a vehicle-mounted controller communication device in a hardware operating environment according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart illustrating a first embodiment of a communication method of the vehicle-mounted controller according to the present invention;
FIG. 3 is a flowchart illustrating a second embodiment of a communication method of the vehicle-mounted controller according to the present invention;
FIG. 4 is a schematic flow chart illustrating a communication method of the vehicle-mounted controller according to a third embodiment of the present invention;
fig. 5 is a functional block diagram of a communication device of a vehicle-mounted controller according to a first embodiment of the invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a vehicle-mounted controller communication device in a hardware operating environment according to an embodiment of the present invention.
As shown in fig. 1, the on-board controller communication device may include: a processor 1001, such as a Central Processing Unit (CPU), a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. Wherein a communication bus 1002 is used to enable connective communication between these components. The user interface 1003 may comprise a Display screen (Display), an input unit such as keys, and the optional user interface 1003 may also comprise a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface). The Memory 1005 may be a Random Access Memory (RAM) Memory or a non-volatile Memory (e.g., a magnetic disk Memory). The memory 1005 may alternatively be a storage device separate from the processor 1001.
Those skilled in the art will appreciate that the configuration of the device shown in fig. 1 does not constitute a limitation of the on-board controller communication device and may include more or fewer components than shown, or some components in combination, or a different arrangement of components.
As shown in fig. 1, a memory 1005, which is a storage medium, may include therein an operating system, a network communication module, a user interface module, and an on-board controller communication program.
In the vehicle-mounted controller communication device shown in fig. 1, the network interface 1004 is mainly used for connecting an external network and performing data communication with other network devices; the user interface 1003 is mainly used for connecting to a user equipment and performing data communication with the user equipment; the apparatus of the present invention calls the on-board controller communication program stored in the memory 1005 through the processor 1001, and performs the following operations:
when a first wireless network connection instruction sent by a vehicle-mounted controller through a CAN (controller area network) network is received, determining a target wireless network according to the first wireless network connection instruction;
searching a wireless network name and a wireless network password corresponding to the target wireless network;
sending the wireless network name and the wireless network password to the vehicle-mounted controller so that the vehicle-mounted controller is connected with the target wireless network according to the wireless network name and the wireless network password;
and constructing a composite network according to the CAN network and the target wireless network so as to enable the vehicle-mounted controller to communicate through the composite network.
Further, the processor 1001 may call the on-board controller communication program stored in the memory 1005, and further perform the following operations:
sending the wireless network name and the wireless network password to the vehicle-mounted controller so that the vehicle-mounted controller generates a network access request signal according to the wireless network name and the wireless network password and feeds back the network access request signal;
when the network access request signal fed back by the vehicle-mounted controller is received, a safety authentication instruction is generated according to the network access request signal;
performing security verification on the network access of the vehicle-mounted controller according to the security authentication instruction;
when the verification is successful, generating a verification code;
and sending the verification code to the vehicle-mounted controller so that the vehicle-mounted controller is connected with the target wireless network according to the verification code, the wireless network name and the wireless network password.
Further, the processor 1001 may call the on-board controller communication program stored in the memory 1005, and further perform the following operations:
generating an authentication security code according to the security authentication instruction;
sending the authentication security code to the vehicle-mounted controller through the CAN network so that the vehicle-mounted controller takes the authentication security code as an authentication security code to be verified;
generating an authentication security code acquisition signal according to the security authentication instruction;
and obtaining a signal according to the authentication security code to carry out security verification on the network access of the vehicle-mounted controller.
Further, the processor 1001 may call the on-board controller communication program stored in the memory 1005, and further perform the following operations:
sending the authentication security code acquisition signal to the vehicle-mounted controller so that the vehicle-mounted controller feeds back the authentication security code to be verified according to the authentication security code acquisition signal;
receiving the security code to be verified and authenticated fed back by the vehicle-mounted controller;
and performing security verification on the network access of the vehicle-mounted controller according to the to-be-verified authentication security code.
Further, the processor 1001 may call the on-board controller communication program stored in the memory 1005, and further perform the following operations:
judging whether the authentication security code to be verified is the same as the authentication security code or not;
and carrying out security verification on the network access of the vehicle-mounted controller according to the judgment result.
Further, the processor 1001 may call the on-board controller communication program stored in the memory 1005, and further perform the following operations:
constructing a composite network according to the CAN network and the target wireless network;
traversing the vehicle-mounted controllers in the composite network, and taking the traversed vehicle-mounted controllers as online vehicle-mounted controllers;
setting an IP address for the online vehicle-mounted controller;
establishing a mapping list according to the online vehicle-mounted controller and the IP address;
when a communication request signal sent by the online vehicle-mounted controller is received, analyzing a target vehicle-mounted controller from the communication request signal;
searching an IP address corresponding to the target vehicle-mounted controller in the mapping list, and taking the searched IP address as a target IP address;
and sending the target IP address to the online vehicle-mounted controller so that the online vehicle-mounted controller communicates with the target vehicle-mounted controller through the composite network and the IP address.
Further, the processor 1001 may call the on-board controller communication program stored in the memory 1005, and further perform the following operations:
when a second wireless network connection instruction sent by the mobile terminal is received, determining the target wireless network according to the second wireless network connection instruction;
searching the wireless network name and the wireless network password corresponding to the target wireless network;
and sending the wireless network name and the wireless network password to the mobile terminal so that the mobile terminal is connected with the target mobile network in the composite network according to the wireless network name and the wireless network password and communicates with the vehicle-mounted controller through the composite network.
In the embodiment, when a first wireless network connection instruction sent by a vehicle-mounted controller through a CAN (controller area network) is received, a target wireless network is determined according to the first wireless network connection instruction, a wireless network name and a wireless network password corresponding to the target wireless network are searched, the wireless network name and the wireless network password are sent to the vehicle-mounted controller, so that the vehicle-mounted controller is connected with the target wireless network according to the wireless network name and the wireless network password, a composite network is constructed according to the CAN network and the target wireless network, the vehicle-mounted controller is communicated through the composite network, and the composite network is constructed through the CAN network and the wireless network, so that the communication safety CAN be ensured, the data transmission rate CAN be improved, and the problem of how to establish the composite network without affecting the safety is solved, the technical problem of improving the data transmission rate of vehicle-mounted controller communication is solved.
Based on the hardware structure, the embodiment of the communication method of the vehicle-mounted controller is provided.
Referring to fig. 2, fig. 2 is a flowchart illustrating a communication method of the vehicle-mounted controller according to a first embodiment of the present invention.
In a first embodiment, the communication method of the vehicle-mounted controller comprises the following steps:
and step S10, when a first wireless network connection instruction sent by the vehicle-mounted controller through the CAN network is received, determining a target wireless network according to the first wireless network connection instruction.
It should be noted that the execution main body of the embodiment may be a vehicle-mounted controller communication device, and the vehicle-mounted controller communication device may be a vehicle-mounted remote controller (T-BOX), and may also be other devices that can implement the same or similar functions.
It should be understood that the vehicle-mounted controller is various controllers on the vehicle, such as a vehicle-mounted terminal, a driving recorder, and the like, and may further include other controllers, which are not listed here, and the present embodiment is not limited thereto.
It CAN be understood that the data is transmitted by the CAN network through the CAN line, that is, the vehicle-mounted controller transmits the first wireless network connection instruction to the vehicle-mounted remote controller through the CAN line, and the vehicle-mounted remote controller determines the current wireless network according to the first wireless network connection instruction, and takes the current wireless network as a target wireless network, where the current wireless network refers to a wireless network currently used in the vehicle.
And step S20, searching a wireless network name and a wireless network password corresponding to the target wireless network.
It is understood that after the target wireless network is determined, the wireless network name and the wireless network password corresponding to the target wireless network are searched in the preset database, and it should be understood that the wireless network name and the wireless network password are stored in the preset database in advance.
It should be understood that, since the wireless network name and the wireless network password are obtained through the CAN network, and the CAN network is a wired network, even if the wireless network name and the wireless network password change, the wireless network name and the wireless network password CAN be automatically connected without manual input.
And step S30, sending the wireless network name and the wireless network password to the vehicle-mounted controller so that the vehicle-mounted controller can be connected with the target wireless network according to the wireless network name and the wireless network password.
It CAN be understood that in the process of connecting the wireless network, in order to improve the security, security verification is required, therefore, the verification code needs to be transmitted through the CAN network, the vehicle-mounted controller is connected with the target wireless network according to the verification code, the name of the wireless network and the password of the wireless network, the security of network connection is improved, if the security verification is unsuccessful, the vehicle-mounted controller is regarded as general equipment and is not allowed to carry out wireless network data communication, the data access of the security equipment CAN be effectively prevented, and the security of wireless network communication is improved.
And step S40, constructing a composite network according to the CAN network and the target wireless network so that the vehicle-mounted controller CAN communicate through the composite network.
It should be understood that a composite network is constructed according to the CAN network and the target wireless network, the vehicle-mounted controllers communicate with each other through the composite network, the data transmission amount during communication CAN be judged, when the data transmission amount is smaller than or equal to a preset transmission amount threshold value, the CAN network is adopted for communication, and when the data transmission amount is larger than the preset transmission amount threshold value, the target wireless network is adopted for communication, so that the safety of data transmission during communication CAN be further improved, and certainly, the implementation is not limited by the method, as for when the CAN network is used for communication, when the target wireless network is used for communication, and other judgment modes CAN be adopted.
In the embodiment, when a first wireless network connection instruction sent by a vehicle-mounted controller through a CAN (controller area network) is received, a target wireless network is determined according to the first wireless network connection instruction, a wireless network name and a wireless network password corresponding to the target wireless network are searched, the wireless network name and the wireless network password are sent to the vehicle-mounted controller, so that the vehicle-mounted controller is connected with the target wireless network according to the wireless network name and the wireless network password, a composite network is constructed according to the CAN network and the target wireless network, the vehicle-mounted controller is communicated through the composite network, and the composite network is constructed through the CAN network and the wireless network, so that the communication safety CAN be ensured, the data transmission rate CAN be improved, and the problem of how to establish the composite network without affecting the safety is solved, the technical problem of improving the data transmission rate of vehicle-mounted controller communication is solved.
In an embodiment, as shown in fig. 3, a second embodiment of the communication method of the vehicle-mounted controller according to the present invention is proposed based on the first embodiment, and the step S30 includes:
step S301, sending the wireless network name and the wireless network password to the vehicle-mounted controller, so that the vehicle-mounted controller generates a network access request signal according to the wireless network name and the wireless network password, and feeds back the network access request signal.
It can be understood that, when the vehicle-mounted controller performs network access, a network access request signal needs to be generated according to the wireless network name and the wireless network password, and the network access request signal is sent to the vehicle-mounted remote controller for network connection.
Step S302, when the network access request signal fed back by the vehicle-mounted controller is received, a security authentication instruction is generated according to the network access request signal.
It should be understood that, when the vehicle-mounted remote controller receives the network access request signal, the vehicle-mounted remote controller generates a security authentication instruction, and performs security verification on the network access of the vehicle-mounted controller according to the security authentication instruction, and the security verification is required to be performed instead of direct connection, so as to ensure the security of communication of the vehicle-mounted controller.
And step S303, carrying out security verification on the network access of the vehicle-mounted controller according to the security authentication instruction.
Further, the S303 includes:
generating an authentication security code according to the security authentication instruction, sending the authentication security code to the vehicle-mounted controller through the CAN network, so that the vehicle-mounted controller takes the authentication security code as an authentication security code to be verified, generating an authentication security code acquisition signal according to the security authentication instruction, sending the authentication security code acquisition signal to the vehicle-mounted controller, so that the vehicle-mounted controller feeds back the authentication security code to be verified according to the authentication security code acquisition signal, receives the authentication security code to be verified fed back by the vehicle-mounted controller, judges whether the authentication security code to be verified is the same as the authentication security code, and carries out security verification on network access of the vehicle-mounted controller according to a judgment result.
It will be appreciated that the authentication security code is sent to the onboard controllers via the CAN network, which ensures that the onboard controllers to be accessed via the network are onboard controllers on the vehicle and not onboard controllers of other vehicles, since each onboard controller is wired via the CAN network.
It should be understood that after the authentication security code is sent to the vehicle-mounted controller through the CAN network, the vehicle-mounted controller takes the received authentication security code as the authentication security code to be verified, the vehicle-mounted remote controller sends an authentication security code acquisition signal to the vehicle-mounted controller through the wireless network, the vehicle-mounted controller feeds back the security code to be verified according to the authentication security code acquisition signal, the vehicle-mounted remote controller verifies the security code to be verified, judges whether the security code to be verified is the same as the authentication security code, and performs security verification on the vehicle-mounted controller according to the judgment result.
And step S304, when the verification is successful, generating a verification code.
Step S305, the verification code is sent to the vehicle-mounted controller, so that the vehicle-mounted controller is connected with the target wireless network according to the verification code, the wireless network name and the wireless network password.
It can be appreciated that the generated verification code is sent to the onboard controller, and the onboard controller connects to the target wireless network according to the verification code, the wireless network name and the wireless network password.
In this embodiment, the wireless network name and the wireless network password are sent to the onboard controller, so that the onboard controller generates a network access request signal according to the wireless network name and the wireless network password, feeds back the network access request signal, generates a security authentication instruction according to the network access request signal when receiving the network access request signal fed back by the onboard controller, performs security verification on network access of the onboard controller according to the security authentication instruction, generates a verification code when the verification is successful, and sends the verification code to the onboard controller, so that the onboard controller is connected with the target wireless network according to the verification code, the wireless network name and the wireless network password, thereby performing security verification when the onboard controller performs wireless network access, the vehicle-mounted controller can be accessed after the verification is successful, and the communication safety of the vehicle-mounted controller is improved.
In an embodiment, as shown in fig. 4, a third embodiment of the communication method of the vehicle-mounted controller according to the present invention is proposed based on the first embodiment or the second embodiment, and in this embodiment, the step S40 includes:
and S401, constructing a composite network according to the CAN network and the target wireless network.
It will be appreciated that a composite network is constructed from the CAN network and the target wireless network, with the on-board controllers communicating over the composite network.
And S402, traversing the vehicle-mounted controllers in the composite network, and taking the traversed vehicle-mounted controllers as online vehicle-mounted controllers.
It should be understood that, by traversing the onboard controllers in the composite network and using the traversed onboard controllers as online onboard controllers, all connected onboard controllers currently in the composite network can be known through multiple traversals.
And step S403, setting an IP address for the online vehicle-mounted controller.
It will be appreciated that the online vehicle controllers are provided with IP addresses such that each online vehicle controller has a different IP address, and the online vehicle controllers are distinguished by the IP addresses.
And S404, establishing a mapping list according to the online vehicle-mounted controller and the IP address.
It should be understood that the mapping list is established according to the online vehicle-mounted controller and the IP address, so that the mapping list stores the IP address corresponding to the online vehicle-mounted controller.
Step S405, when the communication request signal sent by the on-line vehicle-mounted controller is received, the target vehicle-mounted controller is analyzed from the communication request signal.
It should be appreciated that the target vehicle-mounted controller is parsed from the communication request signal to determine the communication target of the on-line vehicle-mounted controller.
Step S406, an IP address corresponding to the target vehicle-mounted controller is searched in the mapping list, and the searched IP address is used as a target IP address.
It is understood that after determining the communication object of the online vehicle-mounted controller, i.e., the target vehicle-mounted controller, the target IP address corresponding to the target vehicle-mounted controller is searched.
Step S407, the target IP address is sent to the online vehicle-mounted controller, so that the online vehicle-mounted controller communicates with the target vehicle-mounted controller through the composite network and the IP address.
It should be noted that, to perform communication between the on-board controllers, the IP address of the communication object must be obtained from the on-board remote controller, so as to further improve the security of the communication between the on-board controllers.
Further, after the step S40, the method further includes:
when a second wireless network connection instruction sent by a mobile terminal is received, the target wireless network is determined according to the second wireless network connection instruction, the wireless network name and the wireless network password corresponding to the target wireless network are searched, and the wireless network name and the wireless network password are sent to the mobile terminal, so that the mobile terminal is connected with the target mobile network in the composite network according to the wireless network name and the wireless network password and is communicated with the vehicle-mounted controller through the composite network.
It will be appreciated that the composite network may be used for communication between the onboard controllers, as well as between the onboard controllers and the mobile terminal.
In a specific implementation, for example, the image information acquired by the automobile data recorder may be transmitted to the vehicle-mounted terminal through the composite network for display, or may be transmitted to the mobile terminal through the composite network for display, and certainly, the vehicle-mounted controller and the mobile terminal may also perform other communications through the composite network.
In this embodiment, a composite network is constructed according to the CAN network and the target wireless network, a vehicle-mounted controller in the composite network is traversed, the traversed vehicle-mounted controller is used as an online vehicle-mounted controller, an IP address is set for the online vehicle-mounted controller, a mapping list is established according to the online vehicle-mounted controller and the IP address, when a communication request signal sent by the online vehicle-mounted controller is received, a target vehicle-mounted controller is analyzed from the communication request signal, an IP address corresponding to the target vehicle-mounted controller is searched in the mapping list, the searched IP address is used as a target IP address, and the target IP address is sent to the online vehicle-mounted controller, so that the online vehicle-mounted controller communicates with the target vehicle-mounted controller through the composite network and the IP address, therefore, the IP address of the communication object must be acquired from the vehicle-mounted remote controller for communication among the on-line vehicle controllers, and the communication safety of the vehicle-mounted controllers is further improved.
In addition, an embodiment of the present invention further provides a storage medium, where an on-board controller communication program is stored on the storage medium, and when executed by a processor, the on-board controller communication program implements the following operations:
when a first wireless network connection instruction sent by a vehicle-mounted controller through a CAN (controller area network) network is received, determining a target wireless network according to the first wireless network connection instruction;
searching a wireless network name and a wireless network password corresponding to the target wireless network;
sending the wireless network name and the wireless network password to the vehicle-mounted controller so that the vehicle-mounted controller is connected with the target wireless network according to the wireless network name and the wireless network password;
and constructing a composite network according to the CAN network and the target wireless network so as to enable the vehicle-mounted controller to communicate through the composite network.
Further, the vehicle-mounted controller communication program when executed by the processor further implements the following operations:
sending the wireless network name and the wireless network password to the vehicle-mounted controller so that the vehicle-mounted controller generates a network access request signal according to the wireless network name and the wireless network password and feeds back the network access request signal;
when the network access request signal fed back by the vehicle-mounted controller is received, a safety authentication instruction is generated according to the network access request signal;
performing security verification on the network access of the vehicle-mounted controller according to the security authentication instruction;
when the verification is successful, generating a verification code;
and sending the verification code to the vehicle-mounted controller so that the vehicle-mounted controller is connected with the target wireless network according to the verification code, the wireless network name and the wireless network password.
Further, the vehicle-mounted controller communication program when executed by the processor further implements the following operations:
generating an authentication security code according to the security authentication instruction;
sending the authentication security code to the vehicle-mounted controller through the CAN network so that the vehicle-mounted controller takes the authentication security code as an authentication security code to be verified;
generating an authentication security code acquisition signal according to the security authentication instruction;
and obtaining a signal according to the authentication security code to carry out security verification on the network access of the vehicle-mounted controller.
Further, the vehicle-mounted controller communication program when executed by the processor further implements the following operations:
sending the authentication security code acquisition signal to the vehicle-mounted controller so that the vehicle-mounted controller feeds back the authentication security code to be verified according to the authentication security code acquisition signal;
receiving the security code to be verified and authenticated fed back by the vehicle-mounted controller;
and performing security verification on the network access of the vehicle-mounted controller according to the to-be-verified authentication security code.
Further, the vehicle-mounted controller communication program when executed by the processor further implements the following operations:
judging whether the authentication security code to be verified is the same as the authentication security code or not;
and carrying out security verification on the network access of the vehicle-mounted controller according to the judgment result.
Further, the vehicle-mounted controller communication program when executed by the processor further implements the following operations:
constructing a composite network according to the CAN network and the target wireless network;
traversing the vehicle-mounted controllers in the composite network, and taking the traversed vehicle-mounted controllers as online vehicle-mounted controllers;
setting an IP address for the online vehicle-mounted controller;
establishing a mapping list according to the online vehicle-mounted controller and the IP address;
when a communication request signal sent by the online vehicle-mounted controller is received, analyzing a target vehicle-mounted controller from the communication request signal;
searching an IP address corresponding to the target vehicle-mounted controller in the mapping list, and taking the searched IP address as a target IP address;
and sending the target IP address to the online vehicle-mounted controller so that the online vehicle-mounted controller communicates with the target vehicle-mounted controller through the composite network and the IP address.
Further, the vehicle-mounted controller communication program when executed by the processor further implements the following operations:
when a second wireless network connection instruction sent by the mobile terminal is received, determining the target wireless network according to the second wireless network connection instruction;
searching the wireless network name and the wireless network password corresponding to the target wireless network;
and sending the wireless network name and the wireless network password to the mobile terminal so that the mobile terminal is connected with the target mobile network in the composite network according to the wireless network name and the wireless network password and communicates with the vehicle-mounted controller through the composite network.
In the embodiment, when a first wireless network connection instruction sent by a vehicle-mounted controller through a CAN (controller area network) is received, a target wireless network is determined according to the first wireless network connection instruction, a wireless network name and a wireless network password corresponding to the target wireless network are searched, the wireless network name and the wireless network password are sent to the vehicle-mounted controller, so that the vehicle-mounted controller is connected with the target wireless network according to the wireless network name and the wireless network password, a composite network is constructed according to the CAN network and the target wireless network, the vehicle-mounted controller is communicated through the composite network, and the composite network is constructed through the CAN network and the wireless network, so that the communication safety CAN be ensured, the data transmission rate CAN be improved, and the problem of how to establish the composite network without affecting the safety is solved, the technical problem of improving the data transmission rate of vehicle-mounted controller communication is solved.
In addition, referring to fig. 5, an embodiment of the present invention further provides a vehicle-mounted controller communication device, where the vehicle-mounted controller communication device includes:
the target determination module 10 is configured to determine a target wireless network according to a first wireless network connection instruction sent by the vehicle-mounted controller through the CAN network when the first wireless network connection instruction is received.
It should be understood that the vehicle-mounted controller is various controllers on the vehicle, such as a vehicle-mounted terminal, a driving recorder, and the like, and may further include other controllers, which are not listed here, and the present embodiment is not limited thereto.
It CAN be understood that the data is transmitted by the CAN network through the CAN line, that is, the vehicle-mounted controller transmits the first wireless network connection instruction to the vehicle-mounted remote controller through the CAN line, and the vehicle-mounted remote controller determines the current wireless network according to the first wireless network connection instruction, and takes the current wireless network as a target wireless network, where the current wireless network refers to a wireless network currently used in the vehicle.
And the information searching module 20 is configured to search a wireless network name and a wireless network password corresponding to the target wireless network.
It is understood that after the target wireless network is determined, the wireless network name and the wireless network password corresponding to the target wireless network are searched in the preset database, and it should be understood that the wireless network name and the wireless network password are stored in the preset database in advance.
It should be understood that, since the wireless network name and the wireless network password are obtained through the CAN network, and the CAN network is a wired network, even if the wireless network name and the wireless network password change, the wireless network name and the wireless network password CAN be automatically connected without manual input.
And the network connection module 30 is configured to send the wireless network name and the wireless network password to the vehicle-mounted controller, so that the vehicle-mounted controller is connected to the target wireless network according to the wireless network name and the wireless network password.
It CAN be understood that in the process of connecting the wireless network, in order to improve the security, security verification is required, therefore, the verification code needs to be transmitted through the CAN network, the vehicle-mounted controller is connected with the target wireless network according to the verification code, the name of the wireless network and the password of the wireless network, the security of network connection is improved, if the security verification is unsuccessful, the vehicle-mounted controller is regarded as general equipment and is not allowed to carry out wireless network data communication, the data access of the security equipment CAN be effectively prevented, and the security of wireless network communication is improved.
And the network communication module 40 is used for constructing a composite network according to the CAN network and the target wireless network so as to enable the vehicle-mounted controller to communicate through the composite network.
It should be understood that a composite network is constructed according to the CAN network and the target wireless network, the vehicle-mounted controllers communicate with each other through the composite network, the data transmission amount during communication CAN be judged, when the data transmission amount is smaller than or equal to a preset transmission amount threshold value, the CAN network is adopted for communication, and when the data transmission amount is larger than the preset transmission amount threshold value, the target wireless network is adopted for communication, so that the safety of data transmission during communication CAN be further improved, and certainly, the implementation is not limited by the method, as for when the CAN network is used for communication, when the target wireless network is used for communication, and other judgment modes CAN be adopted.
In the embodiment, when a first wireless network connection instruction sent by a vehicle-mounted controller through a CAN (controller area network) is received, a target wireless network is determined according to the first wireless network connection instruction, a wireless network name and a wireless network password corresponding to the target wireless network are searched, the wireless network name and the wireless network password are sent to the vehicle-mounted controller, so that the vehicle-mounted controller is connected with the target wireless network according to the wireless network name and the wireless network password, a composite network is constructed according to the CAN network and the target wireless network, the vehicle-mounted controller is communicated through the composite network, and the composite network is constructed through the CAN network and the wireless network, so that the communication safety CAN be ensured, the data transmission rate CAN be improved, and the problem of how to establish the composite network without affecting the safety is solved, the technical problem of improving the data transmission rate of vehicle-mounted controller communication is solved.
In an embodiment, the network connection module 30 is further configured to send the wireless network name and the wireless network password to the onboard controller, so that the onboard controller generates a network access request signal according to the wireless network name and the wireless network password, and feeds back the network access request signal; when the network access request signal fed back by the vehicle-mounted controller is received, a safety authentication instruction is generated according to the network access request signal; performing security verification on the network access of the vehicle-mounted controller according to the security authentication instruction; when the verification is successful, generating a verification code; and sending the verification code to the vehicle-mounted controller so that the vehicle-mounted controller is connected with the target wireless network according to the verification code, the wireless network name and the wireless network password.
In an embodiment, the network connection module 30 is further configured to generate an authentication security code according to the security authentication instruction; sending the authentication security code to the vehicle-mounted controller through the CAN network so that the vehicle-mounted controller takes the authentication security code as an authentication security code to be verified; generating an authentication security code acquisition signal according to the security authentication instruction; and obtaining a signal according to the authentication security code to carry out security verification on the network access of the vehicle-mounted controller.
In an embodiment, the network connection module 30 is further configured to send the authentication security code obtaining signal to the vehicle-mounted controller, so that the vehicle-mounted controller feeds back the authentication security code to be verified according to the authentication security code obtaining signal; receiving the security code to be verified and authenticated fed back by the vehicle-mounted controller; and performing security verification on the network access of the vehicle-mounted controller according to the to-be-verified authentication security code.
In an embodiment, the network connection module 30 is further configured to determine whether the authentication security code to be verified is the same as the authentication security code; and carrying out security verification on the network access of the vehicle-mounted controller according to the judgment result.
In an embodiment, the network communication module 40 is further configured to construct a composite network according to the CAN network and the target wireless network; traversing the vehicle-mounted controllers in the composite network, and taking the traversed vehicle-mounted controllers as online vehicle-mounted controllers; setting an IP address for the online vehicle-mounted controller; establishing a mapping list according to the online vehicle-mounted controller and the IP address; when a communication request signal sent by the online vehicle-mounted controller is received, analyzing a target vehicle-mounted controller from the communication request signal; searching an IP address corresponding to the target vehicle-mounted controller in the mapping list, and taking the searched IP address as a target IP address; and sending the target IP address to the online vehicle-mounted controller so that the online vehicle-mounted controller communicates with the target vehicle-mounted controller through the composite network and the IP address.
In an embodiment, the vehicle-mounted controller communication device further includes a mobile communication module, configured to determine the target wireless network according to a second wireless network connection instruction sent by a mobile terminal when the second wireless network connection instruction is received; searching the wireless network name and the wireless network password corresponding to the target wireless network; and sending the wireless network name and the wireless network password to the mobile terminal so that the mobile terminal is connected with the target mobile network in the composite network according to the wireless network name and the wireless network password and communicates with the vehicle-mounted controller through the composite network.
Other embodiments or specific implementation methods of the communication device of the vehicle-mounted controller according to the present invention may refer to the above embodiments, and are not described herein again.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be substantially or partially embodied in the form of a software product stored in a computer readable storage medium (such as ROM/RAM, magnetic disk, optical disk) as described above, and including instructions for enabling an intelligent vehicle-mounted controller communication device (such as a mobile phone, a computer, a vehicle-mounted controller communication device, an air conditioner, or a network vehicle-mounted controller communication device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A communication method of a vehicle-mounted controller is characterized by comprising the following steps:
when a first wireless network connection instruction sent by a vehicle-mounted controller through a CAN (controller area network) network is received, determining a target wireless network according to the first wireless network connection instruction;
searching a wireless network name and a wireless network password corresponding to the target wireless network;
sending the wireless network name and the wireless network password to the vehicle-mounted controller so that the vehicle-mounted controller is connected with the target wireless network according to the wireless network name and the wireless network password;
and constructing a composite network according to the CAN network and the target wireless network so that the vehicle-mounted controller CAN communicate through the composite network, judging the data transmission amount during communication, adopting the CAN network in the composite network for communication when the data transmission amount is less than or equal to a preset transmission amount threshold value, and adopting the target wireless network in the composite network for communication when the data transmission amount is greater than the preset transmission amount threshold value.
2. The method according to claim 1, wherein the sending the wireless network name and the wireless network password to the onboard controller to enable the onboard controller to connect to the target wireless network according to the wireless network name and the wireless network password comprises:
sending the wireless network name and the wireless network password to the vehicle-mounted controller so that the vehicle-mounted controller generates a network access request signal according to the wireless network name and the wireless network password and feeds back the network access request signal;
when the network access request signal fed back by the vehicle-mounted controller is received, a safety authentication instruction is generated according to the network access request signal;
performing security verification on the network access of the vehicle-mounted controller according to the security authentication instruction;
when the verification is successful, generating a verification code;
and sending the verification code to the vehicle-mounted controller so that the vehicle-mounted controller is connected with the target wireless network according to the verification code, the wireless network name and the wireless network password.
3. The communication method of claim 2, wherein the performing security verification on the network access of the vehicle-mounted controller according to the security authentication command specifically comprises:
generating an authentication security code according to the security authentication instruction;
sending the authentication security code to the vehicle-mounted controller through the CAN network so that the vehicle-mounted controller takes the authentication security code as an authentication security code to be verified;
generating an authentication security code acquisition signal according to the security authentication instruction;
and obtaining a signal according to the authentication security code to carry out security verification on the network access of the vehicle-mounted controller.
4. The communication method of claim 3, wherein the obtaining the signal according to the authentication security code for performing security verification on the network access of the vehicle-mounted controller specifically comprises:
sending the authentication security code acquisition signal to the vehicle-mounted controller so that the vehicle-mounted controller feeds back the authentication security code to be verified according to the authentication security code acquisition signal;
receiving the security code to be verified and authenticated fed back by the vehicle-mounted controller;
and performing security verification on the network access of the vehicle-mounted controller according to the to-be-verified authentication security code.
5. The communication method of claim 4, wherein the performing security verification on the network access of the vehicle-mounted controller according to the security code to be verified includes:
judging whether the authentication security code to be verified is the same as the authentication security code or not;
and carrying out security verification on the network access of the vehicle-mounted controller according to the judgment result.
6. The communication method of any one of claims 1 to 5, wherein the constructing a composite network according to the CAN network and the target wireless network so that the vehicle-mounted controller communicates via the composite network comprises:
constructing a composite network according to the CAN network and the target wireless network;
traversing the vehicle-mounted controllers in the composite network, and taking the traversed vehicle-mounted controllers as online vehicle-mounted controllers;
setting an IP address for the online vehicle-mounted controller;
establishing a mapping list according to the online vehicle-mounted controller and the IP address;
when a communication request signal sent by the online vehicle-mounted controller is received, analyzing a target vehicle-mounted controller from the communication request signal;
searching an IP address corresponding to the target vehicle-mounted controller in the mapping list, and taking the searched IP address as a target IP address;
and sending the target IP address to the online vehicle-mounted controller so that the online vehicle-mounted controller communicates with the target vehicle-mounted controller through the composite network and the IP address.
7. The communication method of any one of claims 1 to 5, wherein after constructing a composite network according to the CAN network and the target wireless network so that the on-board controller communicates via the composite network, the method further comprises:
when a second wireless network connection instruction sent by the mobile terminal is received, determining the target wireless network according to the second wireless network connection instruction;
searching the wireless network name and the wireless network password corresponding to the target wireless network;
and sending the wireless network name and the wireless network password to the mobile terminal so that the mobile terminal is connected with the target mobile network in the composite network according to the wireless network name and the wireless network password and communicates with the vehicle-mounted controller through the composite network.
8. An on-board controller communication device, comprising:
the target determining module is used for determining a target wireless network according to a first wireless network connection instruction sent by a vehicle-mounted controller through a CAN network when the first wireless network connection instruction is received;
the information searching module is used for searching a wireless network name and a wireless network password corresponding to the target wireless network;
the network connection module is used for sending the wireless network name and the wireless network password to the vehicle-mounted controller so that the vehicle-mounted controller is connected with the target wireless network according to the wireless network name and the wireless network password;
and the network communication module is used for constructing a composite network according to the CAN network and the target wireless network so as to enable the vehicle-mounted controller to communicate through the composite network, judge the data transmission amount during communication, communicate by adopting the CAN network in the composite network when the data transmission amount is less than or equal to a preset transmission amount threshold value, and communicate by adopting the target wireless network in the composite network when the data transmission amount is greater than the preset transmission amount threshold value.
9. An on-board controller communication device, comprising: a memory, a processor and an on-board controller communication program stored on the memory and executable on the processor, the on-board controller communication program being configured with steps to implement the on-board controller communication method of any one of claims 1 to 7.
10. A storage medium having stored thereon an on-board controller communication program which, when executed by a processor, implements the steps of the on-board controller communication method according to any one of claims 1 to 7.
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